1 files changed, 50 insertions, 0 deletions
diff --git a/src/libs/dxvk-native-1.9.2a/src/util/util_time.h b/src/libs/dxvk-native-1.9.2a/src/util/util_time.h
new file mode 100644
index 00000000..cbadfa5d
--- /dev/null
+++ b/src/libs/dxvk-native-1.9.2a/src/util/util_time.h
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <chrono>
+#include <cstdint>
+
+#if defined(_WIN32) && !defined(__WINE__)
+#include <windows.h>
+#endif
+
+namespace dxvk {
+
+#if defined(_WIN32) && !defined(__WINE__)
+  struct high_resolution_clock {
+    static constexpr bool is_steady = true;
+
+    using rep        = int64_t;
+    using period     = std::nano;
+    using duration   = std::chrono::nanoseconds;
+    using time_point = std::chrono::time_point<high_resolution_clock>;
+
+    static inline time_point now() noexcept {
+      // Keep the frequency static, this doesn't change at all.
+      static const int64_t freq = getFrequency();
+      const int64_t counter     = getCounter();
+
+      const int64_t whole = (counter / freq) * period::den;
+      const int64_t part  = (counter % freq) * period::den / freq;
+
+      return time_point(duration(whole + part));
+    }
+
+    static inline int64_t getFrequency() {
+      LARGE_INTEGER freq;
+      QueryPerformanceFrequency(&freq);
+
+      return freq.QuadPart;
+    }
+
+    static inline int64_t getCounter() {
+      LARGE_INTEGER count;
+      QueryPerformanceCounter(&count);
+
+      return count.QuadPart;
+    }
+  };
+#else
+  using high_resolution_clock = std::chrono::high_resolution_clock;
+#endif
+
+}
+\ No newline at end of file